Many times, AC installed in classrooms or offices keeps on working on even if there is no one in the class. We couldn’t find any solution to the problem. These devices available in market are preset to set time duration during which lights will be in active mode. So, if these devices are used with AC, it will turn ON after detecting motion and turn OFF after preset time and it will again turn ON if movement is continued.
Our Project detects presence of humanbeing and switch on the AC and if no one is there AC is switched OFF
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